gh-131798: constant fold classmethod and staticmethod in JIT #2811

Job	Run time
aarch64-apple-darwin/clang	10m 1s
aarch64-unknown-linux-gnu/gcc	7m 31s
x86_64-unknown-linux-gnu/gcc	10m 23s
x86_64-unknown-linux-gnu/gcc-free-threading	8m 28s
x86_64-apple-darwin/clang	19m 27s
	55m 50s

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